内容正文:
Unit 3 The world of science
课时作业(七) Unit 3 Section Ⅰ Starting out & Understanding ideas
Ⅰ.阅读理解
A
In December 2010,Lauren Robinson walked into science class. “My throat started closing,”she remembers. “They called an ambulance (救护车),and I had to go to the hospital.” It wasn't the first time that Lauren had to be rushed to the hospital. That's because Lauren,15,has a food allergy (过敏症).
Many people have food allergies. But Lauren's allergy is much worse than most. She can't eat food that contains milk. When she was younger,Lauren could stay safe by choosing food carefully. That changed in middle school. By eighth grade,Lauren couldn't be in the same room with dairy products (乳制品). That's what happened in Lauren's science classroom. Earlier that day,students had held a pizza party. Cheese particles (微粒) still hung in the air. Lauren never returned to school after that.
In 2011,Lauren got great news. She could go to school and stay safe by driving a robot to class. Lauren controls it from